February 24, 2013

Maine Gardener: Planning a container garden? Think outside the pot

By TOM ATWELL

When creating a container garden, you have to consider the container and the plants. They have to go together and fit with the home and garden where they will be located. 

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Dan Heims, a lecturer on container gardening at New England Grows, says just about anything can serve as a plant container, and there’s no need to spend a lot.

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Dan Heims, president of Terra Nova Nurseries in Oregon, covered the gamut of container and small-space gardening during a lecture at New England Grows in Boston earlier this month. For a person whose business is largely plants, he spent a surprising amount of time discussing the containers.

Two key pieces of information are that trends in containers come and go a lot more quickly than trends in plants, and that just about anything can be a container and doesn't have to cost a lot.

"Who had even heard about vertical gardening 10 years ago," Heims said, showing a photograph of 30 heucheras, each with its own square in a structure hanging on a wall. Nurseries across the country are selling many different systems that let people grow plants vertically.

Another trend in the industry is containers made of glass fiber-reinforced concrete.

"These are heavy and attractive," Heims said. "You can plant it yourself, put it in the elevator, take it up onto your roof, and it won't blow away."

These containers can be made to look like they are copper or pewter, which is in right now. Other popular colors are cobalt and celadon. Orange was popular a few years ago, but is now out of favor, according to Heims.

Those kinds of containers would be expensive, but if you use your imagination, you can get unusual containers that are cheap.

"Go to the local Goodwill and get some high-heel shoes -- the brighter the better," he said. "Fill them with semps and sedums."

Semps is short for Sempervivum, with the common name hens and chicks. They, like sedums, are succulents, and do well in containers because they do not have to be watered often.

Heims' photo of the high-heel containers showed several of them in a line on a bench near a business entrance. Two or three high-heel shoes with plants in them would not be effective. It takes a lot.

(You would not actually plant these succulents in the shoes. They would be in small pots, and you slide them in and out to get the mix of colors you want. And if a plant dies, it can be easily replaced.)

Another of Heims' designs had a Maine connection: More semps and sedums planted in a rusty piece of metal found at a junkyard near a midcoast shipyard. You can use anything.

Another idea is to use what Heims called "uncontainers."

You could hang up a frame, attach a vase to it and put some flowers in the center. Heims showed a picture of a worn-out chair, with flowers winding through it with the help of some metal screening. Almost anything that catches the eye will work.

Heims did spend some time talking about plants.

"I won't keep a plant that doesn't pay the rent," he said. "If it doesn't work in flowering, form and fall color, why have it in your garden?"

The only reason he keeps peonies in his garden, he said, is because the foliage has great fall color. The flowers themselves, while great, don't last long enough to merit space in the garden.

Heims repeated an old rule about planting a container: You need a thriller, a spiller and a filler.

The thriller is a striking plant that you put in the center of the pot, providing height, form and often a bit of color. But you can use grasses, larger tropicals like cannas and even a small tree if your container is large enough

(Continued on page 2)

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